--- a/artifacts/src/main/java/org/dive4elements/river/jfree/AxisDataset.java	Fri Feb 25 17:17:56 2022 +0100
+++ b/artifacts/src/main/java/org/dive4elements/river/jfree/AxisDataset.java	Wed Mar 02 10:26:50 2022 +0100
@@ -18,14 +18,15 @@
 import org.jfree.data.xy.XYSeriesCollection;
 import org.jfree.data.time.TimeSeriesCollection;
 
-import org.apache.log4j.Logger;
+import org.apache.logging.log4j.Logger;
+import org.apache.logging.log4j.LogManager;
 
 /**
  * Axis datasets.
  */
 public class AxisDataset
 {
-    private static Logger log = Logger.getLogger(AxisDataset.class);
+    private static Logger log = LogManager.getLogger(AxisDataset.class);
 
     /** Symbolic integer, but also coding the priority (0 goes first). */
     protected int axisSymbol;